Throughout the 20th century the exploitation of the river Don and its tributaries continued. Thermal pollution raised the temperature of the rivers, and acids, tar, oil and highly toxic heavy metals ...

Leo XIII – February 20, 1878 - July 20, 1903: Born Vincenzo Gioacchino Raffaele Luigi Pecci in Italy, he directed the ...

In the 20th century, women played key roles in politics, science, art, and social life, leaving an indelible mark on history. They changed the rules, broke barriers, and paved the way for future ...

The following aspects of our lifestyle can lead to some forms of cancer, heart disease and mental health problems: By the end of the 20th century, it was also understood that some diseases ...